MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b65fece07c855ade193a6b6ef01280298c587c2b1c4fd9a4959bbb3567155da9. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b65fece07c855ade193a6b6ef01280298c587c2b1c4fd9a4959bbb3567155da9
SHA3-384 hash: fe82b3ec523b09d40b38e89fc016d95aa60a48714dce3f2bfbbd0e93c78ffdd7747f19bddebadc5500c827caeca8e9e7
SHA1 hash: f3474c689e44089093597659c0087a4ba425725a
MD5 hash: c1c09d0f46eb0357838c9b10609c7dc3
humanhash: neptune-july-pasta-apart
File name:Order Service.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:805'376 bytes
First seen:2025-04-14 03:47:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:+tKilaay84PIPGtW9njxS+SpbwLuSklfFjiE849Aa61m+NH6W1Q7M3njoQ8PJLU:+vlaVwS4SLpbnlfME8421bNbQ7Inh8l
TLSH T11105015822A8D916D5E627780532D3BC06B7AD9CB631C3474EDDBCAF3B7770A06017A2
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 88c0e8ba62f49a97 (11 x Formbook, 3 x AgentTesla, 2 x SnakeKeylogger)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
574
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Order Service.exe
Verdict:
Malicious activity
Analysis date:
2025-04-14 03:47:41 UTC
Tags:
netreactor formbook xloader
Link:
https://app.any.run/tasks/a0121df3-283d-44b1-984f-68007e6f99b9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/2104/
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67fc9038d6e7c3effad25334
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b65fece07c855ade193a6b6ef01280298c587c2b1c4fd9a4959bbb3567155da9
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/50fe9b78-a6cd-413d-a4eb-e8538c7afa19
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1664336
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1664336 Sample: Order Service.exe Startdate: 14/04/2025 Architecture: WINDOWS Score: 100 30 www.xxxvideosbox.xyz 2->30 32 www.vrpin.xyz 2->32 34 11 other IPs or domains 2->34 44 Antivirus detection for URL or domain 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected FormBook 2->48 52 4 other signatures 2->52 10 Order Service.exe 3 2->10         started        signatures3 50 Performs DNS queries to domains with low reputation 32->50 process4 file5 28 C:\Users\user\...\Order Service.exe.log, ASCII 10->28 dropped 13 Order Service.exe 10->13         started        process6 signatures7 64 Maps a DLL or memory area into another process 13->64 16 KcUVvcX3wvLqTMtJ.exe 13->16 injected process8 signatures9 42 Found direct / indirect Syscall (likely to bypass EDR) 16->42 19 Utilman.exe 13 16->19         started        process10 signatures11 54 Tries to steal Mail credentials (via file / registry access) 19->54 56 Tries to harvest and steal browser information (history, passwords, etc) 19->56 58 Modifies the context of a thread in another process (thread injection) 19->58 60 3 other signatures 19->60 22 KcUVvcX3wvLqTMtJ.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 36 www.ax777.top 160.124.31.74, 49740, 49741, 49742 POWERLINE-AS-APPOWERLINEDATACENTERHK South Africa 22->36 38 www.xxxvideosbox.xyz 91.216.220.20, 49722, 80 OLIMPKZ-NETKZ Kazakhstan 22->38 40 8 other IPs or domains 22->40 62 Found direct / indirect Syscall (likely to bypass EDR) 22->62 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b65fece07c855ade193a6b6ef01280298c587c2b1c4fd9a4959bbb3567155da9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b65fece07c855ade193a6b6ef01280298c587c2b1c4fd9a4959bbb3567155da9/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-04-14 03:43:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wzp6zyd4qvnn4gj2nnxpaeuafggfq7bldrh5tjevto5tkzyvlwuq._file
Verdict:
malicious
Label(s):
captiveaaloader
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250414-ecs8dsykw3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b34a7699-5d89-4da6-b8e5-d323d90d348d
Unpacked files
SH256 hash:
b65fece07c855ade193a6b6ef01280298c587c2b1c4fd9a4959bbb3567155da9
MD5 hash:
c1c09d0f46eb0357838c9b10609c7dc3
SHA1 hash:
f3474c689e44089093597659c0087a4ba425725a
Link:
https://www.unpac.me/results/8b519029-eb67-4f7a-91af-1cee96faa4e7/
SH256 hash:
6eb5f43964032a500d4f19bf9252f7a0e0edf1dfe69260715cafbbf906b07e91
MD5 hash:
362260945139e2e231f962b1565ac1fb
SHA1 hash:
1387ec9e8d4af1eb83bbc79873e90b22232e9eeb
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/8b519029-eb67-4f7a-91af-1cee96faa4e7/
Parent samples :
7636a9a372ecbe65e84e5c16e626ab03929a0089d253d4dd391b915774dd67ef
b65fece07c855ade193a6b6ef01280298c587c2b1c4fd9a4959bbb3567155da9
4656e43fe5addfaa6f568353d432f7ccfea23b8c64e0e10641716822e3a199fa
ec9e31d8392b7002e930927ee6f50dca9718ba2585753042f58b27af30f3a3fe
75cc511e47b0b99575b4611a7cdf39c8cf33fffe1432767730188687a2ee70ed
b72b162975f175de445b14cdb5acb20fdfaef7e8932a4db2a26e245a7f0640e7
357b3313f39b40d4b9acc1181d3eca642418b945e0b35cc0f3c436b9598fd8a5
SH256 hash:
b55966c6632985f13650c0eee725c849092eaa89572b048f68f37004ee44df2e
MD5 hash:
aa75906ec54f9c88eb404d6a464c69c1
SHA1 hash:
20015d2febf5103c14b6f733e8c889bdbad4b288
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/8b519029-eb67-4f7a-91af-1cee96faa4e7/
SH256 hash:
05f9ce752a29c05fc70056515513815fb518bd01246a735c7cc1bc0f40c9b089
MD5 hash:
960cd878150977a125941f6caa794ca0
SHA1 hash:
85508296a194593bea688321e9c203a7a561088e
Link:
https://www.unpac.me/results/8b519029-eb67-4f7a-91af-1cee96faa4e7/
SH256 hash:
a77c943d741e2ec2758a3e0f6e1e508efe27f18b73fdcdd3cc7880627ff6e46d
MD5 hash:
b44b6d61da04576438c96bd1d6e2f224
SHA1 hash:
7a0edbe94964414b377b6cc307a90a3d4b17e8a8
Link:
https://www.unpac.me/results/8b519029-eb67-4f7a-91af-1cee96faa4e7/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b65fece07c85/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b65fece07c855ade193a6b6ef01280298c587c2b1c4fd9a4959bbb3567155da9

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe b65fece07c855ade193a6b6ef01280298c587c2b1c4fd9a4959bbb3567155da9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/2104/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments